Home / 147,962.12-221,877.30-42,756.08

Finding the Fourth Proportional to 147,962.12, 221,877.30 and 42,756.08

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Solution

The fourth proportional to 147,962.12, 221,877.30 and 42,756.08 is: 64,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,962.12 : 221,877.30 = 42,756.08 : x
  2. Step 2: Convert to fraction form
    147,962.12/221,877.30 = 42,756.08/x
  3. Step 3: Cross multiply
    147,962.12x = 221,877.30 × 42,756.08
  4. Step 4: Simplify right side
    147,962.12x = 9,486,603,588.98
  5. Step 5: Solve for x
    x = 9,486,603,588.98/147,962.12
  6. Step 6: Final answer
    x = 64,115.08

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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.