Home / 161,528.40-243,369.36-148,775.76

Finding the Fourth Proportional to 161,528.40, 243,369.36 and 148,775.76

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Solution

The fourth proportional to 161,528.40, 243,369.36 and 148,775.76 is: 224,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,528.40 : 243,369.36 = 148,775.76 : x
  2. Step 2: Convert to fraction form
    161,528.40/243,369.36 = 148,775.76/x
  3. Step 3: Cross multiply
    161,528.40x = 243,369.36 × 148,775.76
  4. Step 4: Simplify right side
    161,528.40x = 36,207,461,494.71
  5. Step 5: Solve for x
    x = 36,207,461,494.71/161,528.40
  6. Step 6: Final answer
    x = 224,155.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.