Home / 157,049.04-216,635.40-98,813.20

Finding the Fourth Proportional to 157,049.04, 216,635.40 and 98,813.20

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Solution

The fourth proportional to 157,049.04, 216,635.40 and 98,813.20 is: 136,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,049.04 : 216,635.40 = 98,813.20 : x
  2. Step 2: Convert to fraction form
    157,049.04/216,635.40 = 98,813.20/x
  3. Step 3: Cross multiply
    157,049.04x = 216,635.40 × 98,813.20
  4. Step 4: Simplify right side
    157,049.04x = 21,406,437,107.28
  5. Step 5: Solve for x
    x = 21,406,437,107.28/157,049.04
  6. Step 6: Final answer
    x = 136,304.16

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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.