Home / 145,386.69-218,079.96-45,554.73

Finding the Fourth Proportional to 145,386.69, 218,079.96 and 45,554.73

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Solution

The fourth proportional to 145,386.69, 218,079.96 and 45,554.73 is: 68,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,386.69 : 218,079.96 = 45,554.73 : x
  2. Step 2: Convert to fraction form
    145,386.69/218,079.96 = 45,554.73/x
  3. Step 3: Cross multiply
    145,386.69x = 218,079.96 × 45,554.73
  4. Step 4: Simplify right side
    145,386.69x = 9,934,573,696.21
  5. Step 5: Solve for x
    x = 9,934,573,696.21/145,386.69
  6. Step 6: Final answer
    x = 68,332.07

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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.