Home / 163,281.50-225,434.73-99,656.18

Finding the Fourth Proportional to 163,281.50, 225,434.73 and 99,656.18

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Solution

The fourth proportional to 163,281.50, 225,434.73 and 99,656.18 is: 137,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,281.50 : 225,434.73 = 99,656.18 : x
  2. Step 2: Convert to fraction form
    163,281.50/225,434.73 = 99,656.18/x
  3. Step 3: Cross multiply
    163,281.50x = 225,434.73 × 99,656.18
  4. Step 4: Simplify right side
    163,281.50x = 22,465,964,031.13
  5. Step 5: Solve for x
    x = 22,465,964,031.13/163,281.50
  6. Step 6: Final answer
    x = 137,590.38

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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.