Home / 220,343.50-304,167.05-148,820.40

Finding the Fourth Proportional to 220,343.50, 304,167.05 and 148,820.40

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Solution

The fourth proportional to 220,343.50, 304,167.05 and 148,820.40 is: 205,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,343.50 : 304,167.05 = 148,820.40 : x
  2. Step 2: Convert to fraction form
    220,343.50/304,167.05 = 148,820.40/x
  3. Step 3: Cross multiply
    220,343.50x = 304,167.05 × 148,820.40
  4. Step 4: Simplify right side
    220,343.50x = 45,266,262,047.82
  5. Step 5: Solve for x
    x = 45,266,262,047.82/220,343.50
  6. Step 6: Final answer
    x = 205,434.98

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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.