Home / 162,018.02-223,585.52-90,401.06

Finding the Fourth Proportional to 162,018.02, 223,585.52 and 90,401.06

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Solution

The fourth proportional to 162,018.02, 223,585.52 and 90,401.06 is: 124,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,018.02 : 223,585.52 = 90,401.06 : x
  2. Step 2: Convert to fraction form
    162,018.02/223,585.52 = 90,401.06/x
  3. Step 3: Cross multiply
    162,018.02x = 223,585.52 × 90,401.06
  4. Step 4: Simplify right side
    162,018.02x = 20,212,368,115.61
  5. Step 5: Solve for x
    x = 20,212,368,115.61/162,018.02
  6. Step 6: Final answer
    x = 124,753.83

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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.