Home / 118,456.14-163,416.92-70,681.74

Finding the Fourth Proportional to 118,456.14, 163,416.92 and 70,681.74

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Solution

The fourth proportional to 118,456.14, 163,416.92 and 70,681.74 is: 97,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,456.14 : 163,416.92 = 70,681.74 : x
  2. Step 2: Convert to fraction form
    118,456.14/163,416.92 = 70,681.74/x
  3. Step 3: Cross multiply
    118,456.14x = 163,416.92 × 70,681.74
  4. Step 4: Simplify right side
    118,456.14x = 11,550,592,251.04
  5. Step 5: Solve for x
    x = 11,550,592,251.04/118,456.14
  6. Step 6: Final answer
    x = 97,509.44

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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.