Home / 100,867.69-139,197.81-60,582.14

Finding the Fourth Proportional to 100,867.69, 139,197.81 and 60,582.14

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Solution

The fourth proportional to 100,867.69, 139,197.81 and 60,582.14 is: 83,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,867.69 : 139,197.81 = 60,582.14 : x
  2. Step 2: Convert to fraction form
    100,867.69/139,197.81 = 60,582.14/x
  3. Step 3: Cross multiply
    100,867.69x = 139,197.81 × 60,582.14
  4. Step 4: Simplify right side
    100,867.69x = 8,432,900,925.52
  5. Step 5: Solve for x
    x = 8,432,900,925.52/100,867.69
  6. Step 6: Final answer
    x = 83,603.59

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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.