Home / 268,461.12-370,478.80-147,603.18

Finding the Fourth Proportional to 268,461.12, 370,478.80 and 147,603.18

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Solution

The fourth proportional to 268,461.12, 370,478.80 and 147,603.18 is: 203,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,461.12 : 370,478.80 = 147,603.18 : x
  2. Step 2: Convert to fraction form
    268,461.12/370,478.80 = 147,603.18/x
  3. Step 3: Cross multiply
    268,461.12x = 370,478.80 × 147,603.18
  4. Step 4: Simplify right side
    268,461.12x = 54,683,849,002.58
  5. Step 5: Solve for x
    x = 54,683,849,002.58/268,461.12
  6. Step 6: Final answer
    x = 203,693.74

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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.