Home / 156,929.14-235,319.72-57,018.88

Finding the Fourth Proportional to 156,929.14, 235,319.72 and 57,018.88

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Solution

The fourth proportional to 156,929.14, 235,319.72 and 57,018.88 is: 85,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,929.14 : 235,319.72 = 57,018.88 : x
  2. Step 2: Convert to fraction form
    156,929.14/235,319.72 = 57,018.88/x
  3. Step 3: Cross multiply
    156,929.14x = 235,319.72 × 57,018.88
  4. Step 4: Simplify right side
    156,929.14x = 13,417,666,876.31
  5. Step 5: Solve for x
    x = 13,417,666,876.31/156,929.14
  6. Step 6: Final answer
    x = 85,501.44

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1.5x scale

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.