Home / 172,119.10-257,804.76-83,186.10

Finding the Fourth Proportional to 172,119.10, 257,804.76 and 83,186.10

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Solution

The fourth proportional to 172,119.10, 257,804.76 and 83,186.10 is: 124,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,119.10 : 257,804.76 = 83,186.10 : x
  2. Step 2: Convert to fraction form
    172,119.10/257,804.76 = 83,186.10/x
  3. Step 3: Cross multiply
    172,119.10x = 257,804.76 × 83,186.10
  4. Step 4: Simplify right side
    172,119.10x = 21,445,772,545.84
  5. Step 5: Solve for x
    x = 21,445,772,545.84/172,119.10
  6. Step 6: Final answer
    x = 124,598.45

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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.