Home / 127,281.15-175,655.93-70,692.39

Finding the Fourth Proportional to 127,281.15, 175,655.93 and 70,692.39

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Solution

The fourth proportional to 127,281.15, 175,655.93 and 70,692.39 is: 97,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281.15 : 175,655.93 = 70,692.39 : x
  2. Step 2: Convert to fraction form
    127,281.15/175,655.93 = 70,692.39/x
  3. Step 3: Cross multiply
    127,281.15x = 175,655.93 × 70,692.39
  4. Step 4: Simplify right side
    127,281.15x = 12,417,537,155.91
  5. Step 5: Solve for x
    x = 12,417,537,155.91/127,281.15
  6. Step 6: Final answer
    x = 97,559.91

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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.