Home / 157,154.04-216,877.21-85,538.70

Finding the Fourth Proportional to 157,154.04, 216,877.21 and 85,538.70

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Solution

The fourth proportional to 157,154.04, 216,877.21 and 85,538.70 is: 118,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,154.04 : 216,877.21 = 85,538.70 : x
  2. Step 2: Convert to fraction form
    157,154.04/216,877.21 = 85,538.70/x
  3. Step 3: Cross multiply
    157,154.04x = 216,877.21 × 85,538.70
  4. Step 4: Simplify right side
    157,154.04x = 18,551,394,603.03
  5. Step 5: Solve for x
    x = 18,551,394,603.03/157,154.04
  6. Step 6: Final answer
    x = 118,045.93

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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.