Home / 149,005.20-223,547.40-64,729.20

Finding the Fourth Proportional to 149,005.20, 223,547.40 and 64,729.20

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Solution

The fourth proportional to 149,005.20, 223,547.40 and 64,729.20 is: 97,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,005.20 : 223,547.40 = 64,729.20 : x
  2. Step 2: Convert to fraction form
    149,005.20/223,547.40 = 64,729.20/x
  3. Step 3: Cross multiply
    149,005.20x = 223,547.40 × 64,729.20
  4. Step 4: Simplify right side
    149,005.20x = 14,470,044,364.08
  5. Step 5: Solve for x
    x = 14,470,044,364.08/149,005.20
  6. Step 6: Final answer
    x = 97,111.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.