Home / 330,777.50-456,459.17-187,547.22

Finding the Fourth Proportional to 330,777.50, 456,459.17 and 187,547.22

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Solution

The fourth proportional to 330,777.50, 456,459.17 and 187,547.22 is: 258,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,777.50 : 456,459.17 = 187,547.22 : x
  2. Step 2: Convert to fraction form
    330,777.50/456,459.17 = 187,547.22/x
  3. Step 3: Cross multiply
    330,777.50x = 456,459.17 × 187,547.22
  4. Step 4: Simplify right side
    330,777.50x = 85,607,647,439.27
  5. Step 5: Solve for x
    x = 85,607,647,439.27/330,777.50
  6. Step 6: Final answer
    x = 258,807.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.