Home / 101,166.04-139,424.11-67,114.45

Finding the Fourth Proportional to 101,166.04, 139,424.11 and 67,114.45

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Solution

The fourth proportional to 101,166.04, 139,424.11 and 67,114.45 is: 92,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,166.04 : 139,424.11 = 67,114.45 : x
  2. Step 2: Convert to fraction form
    101,166.04/139,424.11 = 67,114.45/x
  3. Step 3: Cross multiply
    101,166.04x = 139,424.11 × 67,114.45
  4. Step 4: Simplify right side
    101,166.04x = 9,357,372,459.39
  5. Step 5: Solve for x
    x = 9,357,372,459.39/101,166.04
  6. Step 6: Final answer
    x = 92,495.19

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1.5x scale

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.