Home / 171,547.02-257,308.20-53,215.29

Finding the Fourth Proportional to 171,547.02, 257,308.20 and 53,215.29

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Solution

The fourth proportional to 171,547.02, 257,308.20 and 53,215.29 is: 79,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,547.02 : 257,308.20 = 53,215.29 : x
  2. Step 2: Convert to fraction form
    171,547.02/257,308.20 = 53,215.29/x
  3. Step 3: Cross multiply
    171,547.02x = 257,308.20 × 53,215.29
  4. Step 4: Simplify right side
    171,547.02x = 13,692,730,482.38
  5. Step 5: Solve for x
    x = 13,692,730,482.38/171,547.02
  6. Step 6: Final answer
    x = 79,819.11

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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.