Home / 272,075.60-375,470.70-151,221.98

Finding the Fourth Proportional to 272,075.60, 375,470.70 and 151,221.98

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Solution

The fourth proportional to 272,075.60, 375,470.70 and 151,221.98 is: 208,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,075.60 : 375,470.70 = 151,221.98 : x
  2. Step 2: Convert to fraction form
    272,075.60/375,470.70 = 151,221.98/x
  3. Step 3: Cross multiply
    272,075.60x = 375,470.70 × 151,221.98
  4. Step 4: Simplify right side
    272,075.60x = 56,779,422,685.99
  5. Step 5: Solve for x
    x = 56,779,422,685.99/272,075.60
  6. Step 6: Final answer
    x = 208,689.87

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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.