Home / 189,462.16-261,343.02-112,930.26

Finding the Fourth Proportional to 189,462.16, 261,343.02 and 112,930.26

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Solution

The fourth proportional to 189,462.16, 261,343.02 and 112,930.26 is: 155,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,462.16 : 261,343.02 = 112,930.26 : x
  2. Step 2: Convert to fraction form
    189,462.16/261,343.02 = 112,930.26/x
  3. Step 3: Cross multiply
    189,462.16x = 261,343.02 × 112,930.26
  4. Step 4: Simplify right side
    189,462.16x = 29,513,535,197.79
  5. Step 5: Solve for x
    x = 29,513,535,197.79/189,462.16
  6. Step 6: Final answer
    x = 155,775.35

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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.