Home / 118,529.68-163,569.82-64,814.16

Finding the Fourth Proportional to 118,529.68, 163,569.82 and 64,814.16

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Solution

The fourth proportional to 118,529.68, 163,569.82 and 64,814.16 is: 89,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,529.68 : 163,569.82 = 64,814.16 : x
  2. Step 2: Convert to fraction form
    118,529.68/163,569.82 = 64,814.16/x
  3. Step 3: Cross multiply
    118,529.68x = 163,569.82 × 64,814.16
  4. Step 4: Simplify right side
    118,529.68x = 10,601,640,484.65
  5. Step 5: Solve for x
    x = 10,601,640,484.65/118,529.68
  6. Step 6: Final answer
    x = 89,442.92

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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.