Home / 125,973.92-189,077.52-63,688.16

Finding the Fourth Proportional to 125,973.92, 189,077.52 and 63,688.16

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Solution

The fourth proportional to 125,973.92, 189,077.52 and 63,688.16 is: 95,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,973.92 : 189,077.52 = 63,688.16 : x
  2. Step 2: Convert to fraction form
    125,973.92/189,077.52 = 63,688.16/x
  3. Step 3: Cross multiply
    125,973.92x = 189,077.52 × 63,688.16
  4. Step 4: Simplify right side
    125,973.92x = 12,041,999,346.16
  5. Step 5: Solve for x
    x = 12,041,999,346.16/125,973.92
  6. Step 6: Final answer
    x = 95,591.21

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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.