Home / 118,228.24-163,158.90-64,516.20

Finding the Fourth Proportional to 118,228.24, 163,158.90 and 64,516.20

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Solution

The fourth proportional to 118,228.24, 163,158.90 and 64,516.20 is: 89,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,228.24 : 163,158.90 = 64,516.20 : x
  2. Step 2: Convert to fraction form
    118,228.24/163,158.90 = 64,516.20/x
  3. Step 3: Cross multiply
    118,228.24x = 163,158.90 × 64,516.20
  4. Step 4: Simplify right side
    118,228.24x = 10,526,392,224.18
  5. Step 5: Solve for x
    x = 10,526,392,224.18/118,228.24
  6. Step 6: Final answer
    x = 89,034.50

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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.