Home / 237,130.80-355,574.60-70,897.20

Finding the Fourth Proportional to 237,130.80, 355,574.60 and 70,897.20

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Solution

The fourth proportional to 237,130.80, 355,574.60 and 70,897.20 is: 106,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,130.80 : 355,574.60 = 70,897.20 : x
  2. Step 2: Convert to fraction form
    237,130.80/355,574.60 = 70,897.20/x
  3. Step 3: Cross multiply
    237,130.80x = 355,574.60 × 70,897.20
  4. Step 4: Simplify right side
    237,130.80x = 25,209,243,531.12
  5. Step 5: Solve for x
    x = 25,209,243,531.12/237,130.80
  6. Step 6: Final answer
    x = 106,309.44

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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.