Home / 113,646.78-156,833.64-62,661.50

Finding the Fourth Proportional to 113,646.78, 156,833.64 and 62,661.50

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Solution

The fourth proportional to 113,646.78, 156,833.64 and 62,661.50 is: 86,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,646.78 : 156,833.64 = 62,661.50 : x
  2. Step 2: Convert to fraction form
    113,646.78/156,833.64 = 62,661.50/x
  3. Step 3: Cross multiply
    113,646.78x = 156,833.64 × 62,661.50
  4. Step 4: Simplify right side
    113,646.78x = 9,827,430,348.69
  5. Step 5: Solve for x
    x = 9,827,430,348.69/113,646.78
  6. Step 6: Final answer
    x = 86,473.46

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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.