Home / 156,970.65-235,455.98-57,134.10

Finding the Fourth Proportional to 156,970.65, 235,455.98 and 57,134.10

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Solution

The fourth proportional to 156,970.65, 235,455.98 and 57,134.10 is: 85,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.65 : 235,455.98 = 57,134.10 : x
  2. Step 2: Convert to fraction form
    156,970.65/235,455.98 = 57,134.10/x
  3. Step 3: Cross multiply
    156,970.65x = 235,455.98 × 57,134.10
  4. Step 4: Simplify right side
    156,970.65x = 13,452,565,221.25
  5. Step 5: Solve for x
    x = 13,452,565,221.25/156,970.65
  6. Step 6: Final answer
    x = 85,701.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.