Home / 157,050.72-216,726.84-85,432.50

Finding the Fourth Proportional to 157,050.72, 216,726.84 and 85,432.50

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Solution

The fourth proportional to 157,050.72, 216,726.84 and 85,432.50 is: 117,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,050.72 : 216,726.84 = 85,432.50 : x
  2. Step 2: Convert to fraction form
    157,050.72/216,726.84 = 85,432.50/x
  3. Step 3: Cross multiply
    157,050.72x = 216,726.84 × 85,432.50
  4. Step 4: Simplify right side
    157,050.72x = 18,515,515,758.30
  5. Step 5: Solve for x
    x = 18,515,515,758.30/157,050.72
  6. Step 6: Final answer
    x = 117,895.13

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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.