Home / 112,459.26-155,193.93-64,711.65

Finding the Fourth Proportional to 112,459.26, 155,193.93 and 64,711.65

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Solution

The fourth proportional to 112,459.26, 155,193.93 and 64,711.65 is: 89,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,459.26 : 155,193.93 = 64,711.65 : x
  2. Step 2: Convert to fraction form
    112,459.26/155,193.93 = 64,711.65/x
  3. Step 3: Cross multiply
    112,459.26x = 155,193.93 × 64,711.65
  4. Step 4: Simplify right side
    112,459.26x = 10,042,855,280.28
  5. Step 5: Solve for x
    x = 10,042,855,280.28/112,459.26
  6. Step 6: Final answer
    x = 89,302.16

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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.