Home / 149,937.40-224,762.10-86,692.60

Finding the Fourth Proportional to 149,937.40, 224,762.10 and 86,692.60

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Solution

The fourth proportional to 149,937.40, 224,762.10 and 86,692.60 is: 129,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,937.40 : 224,762.10 = 86,692.60 : x
  2. Step 2: Convert to fraction form
    149,937.40/224,762.10 = 86,692.60/x
  3. Step 3: Cross multiply
    149,937.40x = 224,762.10 × 86,692.60
  4. Step 4: Simplify right side
    149,937.40x = 19,485,210,830.46
  5. Step 5: Solve for x
    x = 19,485,210,830.46/149,937.40
  6. Step 6: Final answer
    x = 129,955.64

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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.