Home / 102,328.48-153,526.86-45,394.52

Finding the Fourth Proportional to 102,328.48, 153,526.86 and 45,394.52

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Solution

The fourth proportional to 102,328.48, 153,526.86 and 45,394.52 is: 68,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328.48 : 153,526.86 = 45,394.52 : x
  2. Step 2: Convert to fraction form
    102,328.48/153,526.86 = 45,394.52/x
  3. Step 3: Cross multiply
    102,328.48x = 153,526.86 × 45,394.52
  4. Step 4: Simplify right side
    102,328.48x = 6,969,278,116.81
  5. Step 5: Solve for x
    x = 6,969,278,116.81/102,328.48
  6. Step 6: Final answer
    x = 68,106.93

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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.