Home / 165,711.80-248,567.70-152,881.40

Finding the Fourth Proportional to 165,711.80, 248,567.70 and 152,881.40

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Solution

The fourth proportional to 165,711.80, 248,567.70 and 152,881.40 is: 229,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,711.80 : 248,567.70 = 152,881.40 : x
  2. Step 2: Convert to fraction form
    165,711.80/248,567.70 = 152,881.40/x
  3. Step 3: Cross multiply
    165,711.80x = 248,567.70 × 152,881.40
  4. Step 4: Simplify right side
    165,711.80x = 38,001,377,970.78
  5. Step 5: Solve for x
    x = 38,001,377,970.78/165,711.80
  6. Step 6: Final answer
    x = 229,322.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.