Home / 279,477.18-385,666.41-152,153.22

Finding the Fourth Proportional to 279,477.18, 385,666.41 and 152,153.22

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Solution

The fourth proportional to 279,477.18, 385,666.41 and 152,153.22 is: 209,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,477.18 : 385,666.41 = 152,153.22 : x
  2. Step 2: Convert to fraction form
    279,477.18/385,666.41 = 152,153.22/x
  3. Step 3: Cross multiply
    279,477.18x = 385,666.41 × 152,153.22
  4. Step 4: Simplify right side
    279,477.18x = 58,680,386,127.34
  5. Step 5: Solve for x
    x = 58,680,386,127.34/279,477.18
  6. Step 6: Final answer
    x = 209,964.86

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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.