Home / 118,255.16-163,252.32-91,337.24

Finding the Fourth Proportional to 118,255.16, 163,252.32 and 91,337.24

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Solution

The fourth proportional to 118,255.16, 163,252.32 and 91,337.24 is: 126,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,255.16 : 163,252.32 = 91,337.24 : x
  2. Step 2: Convert to fraction form
    118,255.16/163,252.32 = 91,337.24/x
  3. Step 3: Cross multiply
    118,255.16x = 163,252.32 × 91,337.24
  4. Step 4: Simplify right side
    118,255.16x = 14,911,016,332.40
  5. Step 5: Solve for x
    x = 14,911,016,332.40/118,255.16
  6. Step 6: Final answer
    x = 126,091.89

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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.