Home / 155,547.52-233,445.85-71,347.34

Finding the Fourth Proportional to 155,547.52, 233,445.85 and 71,347.34

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Solution

The fourth proportional to 155,547.52, 233,445.85 and 71,347.34 is: 107,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,547.52 : 233,445.85 = 71,347.34 : x
  2. Step 2: Convert to fraction form
    155,547.52/233,445.85 = 71,347.34/x
  3. Step 3: Cross multiply
    155,547.52x = 233,445.85 × 71,347.34
  4. Step 4: Simplify right side
    155,547.52x = 16,655,740,836.79
  5. Step 5: Solve for x
    x = 16,655,740,836.79/155,547.52
  6. Step 6: Final answer
    x = 107,078.15

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1.5x scale

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.