Home / 116,034.04-160,130.10-65,732.68

Finding the Fourth Proportional to 116,034.04, 160,130.10 and 65,732.68

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Solution

The fourth proportional to 116,034.04, 160,130.10 and 65,732.68 is: 90,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,034.04 : 160,130.10 = 65,732.68 : x
  2. Step 2: Convert to fraction form
    116,034.04/160,130.10 = 65,732.68/x
  3. Step 3: Cross multiply
    116,034.04x = 160,130.10 × 65,732.68
  4. Step 4: Simplify right side
    116,034.04x = 10,525,780,621.67
  5. Step 5: Solve for x
    x = 10,525,780,621.67/116,034.04
  6. Step 6: Final answer
    x = 90,712.87

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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.