Home / 142,050.40-212,881.20-94,530.40

Finding the Fourth Proportional to 142,050.40, 212,881.20 and 94,530.40

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Solution

The fourth proportional to 142,050.40, 212,881.20 and 94,530.40 is: 141,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,050.40 : 212,881.20 = 94,530.40 : x
  2. Step 2: Convert to fraction form
    142,050.40/212,881.20 = 94,530.40/x
  3. Step 3: Cross multiply
    142,050.40x = 212,881.20 × 94,530.40
  4. Step 4: Simplify right side
    142,050.40x = 20,123,744,988.48
  5. Step 5: Solve for x
    x = 20,123,744,988.48/142,050.40
  6. Step 6: Final answer
    x = 141,666.23

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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.