Home / 145,897.41-218,846.13-112,665.95

Finding the Fourth Proportional to 145,897.41, 218,846.13 and 112,665.95

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Solution

The fourth proportional to 145,897.41, 218,846.13 and 112,665.95 is: 168,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,897.41 : 218,846.13 = 112,665.95 : x
  2. Step 2: Convert to fraction form
    145,897.41/218,846.13 = 112,665.95/x
  3. Step 3: Cross multiply
    145,897.41x = 218,846.13 × 112,665.95
  4. Step 4: Simplify right side
    145,897.41x = 24,656,505,482.71
  5. Step 5: Solve for x
    x = 24,656,505,482.71/145,897.41
  6. Step 6: Final answer
    x = 168,998.93

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1.5x scale

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.