Home / 157,087.50-216,779.07-93,423.90

Finding the Fourth Proportional to 157,087.50, 216,779.07 and 93,423.90

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Solution

The fourth proportional to 157,087.50, 216,779.07 and 93,423.90 is: 128,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,087.50 : 216,779.07 = 93,423.90 : x
  2. Step 2: Convert to fraction form
    157,087.50/216,779.07 = 93,423.90/x
  3. Step 3: Cross multiply
    157,087.50x = 216,779.07 × 93,423.90
  4. Step 4: Simplify right side
    157,087.50x = 20,252,346,157.77
  5. Step 5: Solve for x
    x = 20,252,346,157.77/157,087.50
  6. Step 6: Final answer
    x = 128,923.98

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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.