Home / 162,395.04-224,104.32-90,775.20

Finding the Fourth Proportional to 162,395.04, 224,104.32 and 90,775.20

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Solution

The fourth proportional to 162,395.04, 224,104.32 and 90,775.20 is: 125,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,395.04 : 224,104.32 = 90,775.20 : x
  2. Step 2: Convert to fraction form
    162,395.04/224,104.32 = 90,775.20/x
  3. Step 3: Cross multiply
    162,395.04x = 224,104.32 × 90,775.20
  4. Step 4: Simplify right side
    162,395.04x = 20,343,114,468.86
  5. Step 5: Solve for x
    x = 20,343,114,468.86/162,395.04
  6. Step 6: Final answer
    x = 125,269.31

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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.