Home / 153,494.04-211,818.56-85,510.92

Finding the Fourth Proportional to 153,494.04, 211,818.56 and 85,510.92

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Solution

The fourth proportional to 153,494.04, 211,818.56 and 85,510.92 is: 118,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,494.04 : 211,818.56 = 85,510.92 : x
  2. Step 2: Convert to fraction form
    153,494.04/211,818.56 = 85,510.92/x
  3. Step 3: Cross multiply
    153,494.04x = 211,818.56 × 85,510.92
  4. Step 4: Simplify right side
    153,494.04x = 18,112,799,938.68
  5. Step 5: Solve for x
    x = 18,112,799,938.68/153,494.04
  6. Step 6: Final answer
    x = 118,003.28

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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.