Home / 124,155.64-171,338.65-70,442.92

Finding the Fourth Proportional to 124,155.64, 171,338.65 and 70,442.92

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Solution

The fourth proportional to 124,155.64, 171,338.65 and 70,442.92 is: 97,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,155.64 : 171,338.65 = 70,442.92 : x
  2. Step 2: Convert to fraction form
    124,155.64/171,338.65 = 70,442.92/x
  3. Step 3: Cross multiply
    124,155.64x = 171,338.65 × 70,442.92
  4. Step 4: Simplify right side
    124,155.64x = 12,069,594,814.86
  5. Step 5: Solve for x
    x = 12,069,594,814.86/124,155.64
  6. Step 6: Final answer
    x = 97,213.42

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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.