Home / 118,126.16-163,053.60-70,394.48

Finding the Fourth Proportional to 118,126.16, 163,053.60 and 70,394.48

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Solution

The fourth proportional to 118,126.16, 163,053.60 and 70,394.48 is: 97,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,126.16 : 163,053.60 = 70,394.48 : x
  2. Step 2: Convert to fraction form
    118,126.16/163,053.60 = 70,394.48/x
  3. Step 3: Cross multiply
    118,126.16x = 163,053.60 × 70,394.48
  4. Step 4: Simplify right side
    118,126.16x = 11,478,073,384.13
  5. Step 5: Solve for x
    x = 11,478,073,384.13/118,126.16
  6. Step 6: Final answer
    x = 97,167.92

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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.