Home / 118,117.14-163,020.35-70,398.16

Finding the Fourth Proportional to 118,117.14, 163,020.35 and 70,398.16

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Solution

The fourth proportional to 118,117.14, 163,020.35 and 70,398.16 is: 97,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.14 : 163,020.35 = 70,398.16 : x
  2. Step 2: Convert to fraction form
    118,117.14/163,020.35 = 70,398.16/x
  3. Step 3: Cross multiply
    118,117.14x = 163,020.35 × 70,398.16
  4. Step 4: Simplify right side
    118,117.14x = 11,476,332,972.00
  5. Step 5: Solve for x
    x = 11,476,332,972.00/118,117.14
  6. Step 6: Final answer
    x = 97,160.61

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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.