Home / 144,266.60-216,227.10-74,109.80

Finding the Fourth Proportional to 144,266.60, 216,227.10 and 74,109.80

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Solution

The fourth proportional to 144,266.60, 216,227.10 and 74,109.80 is: 111,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,266.60 : 216,227.10 = 74,109.80 : x
  2. Step 2: Convert to fraction form
    144,266.60/216,227.10 = 74,109.80/x
  3. Step 3: Cross multiply
    144,266.60x = 216,227.10 × 74,109.80
  4. Step 4: Simplify right side
    144,266.60x = 16,024,547,135.58
  5. Step 5: Solve for x
    x = 16,024,547,135.58/144,266.60
  6. Step 6: Final answer
    x = 111,075.93

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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.