Home / 257,088.18-354,690.45-167,508.66

Finding the Fourth Proportional to 257,088.18, 354,690.45 and 167,508.66

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Solution

The fourth proportional to 257,088.18, 354,690.45 and 167,508.66 is: 231,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,088.18 : 354,690.45 = 167,508.66 : x
  2. Step 2: Convert to fraction form
    257,088.18/354,690.45 = 167,508.66/x
  3. Step 3: Cross multiply
    257,088.18x = 354,690.45 × 167,508.66
  4. Step 4: Simplify right side
    257,088.18x = 59,413,721,994.30
  5. Step 5: Solve for x
    x = 59,413,721,994.30/257,088.18
  6. Step 6: Final answer
    x = 231,102.50

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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.