Home / 172,001.60-257,492.10-127,824.20

Finding the Fourth Proportional to 172,001.60, 257,492.10 and 127,824.20

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Solution

The fourth proportional to 172,001.60, 257,492.10 and 127,824.20 is: 191,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,001.60 : 257,492.10 = 127,824.20 : x
  2. Step 2: Convert to fraction form
    172,001.60/257,492.10 = 127,824.20/x
  3. Step 3: Cross multiply
    172,001.60x = 257,492.10 × 127,824.20
  4. Step 4: Simplify right side
    172,001.60x = 32,913,721,688.82
  5. Step 5: Solve for x
    x = 32,913,721,688.82/172,001.60
  6. Step 6: Final answer
    x = 191,357.07

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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.