Home / 262,007.12-392,681.82-112,071.18

Finding the Fourth Proportional to 262,007.12, 392,681.82 and 112,071.18

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Solution

The fourth proportional to 262,007.12, 392,681.82 and 112,071.18 is: 167,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,007.12 : 392,681.82 = 112,071.18 : x
  2. Step 2: Convert to fraction form
    262,007.12/392,681.82 = 112,071.18/x
  3. Step 3: Cross multiply
    262,007.12x = 392,681.82 × 112,071.18
  4. Step 4: Simplify right side
    262,007.12x = 44,008,314,931.95
  5. Step 5: Solve for x
    x = 44,008,314,931.95/262,007.12
  6. Step 6: Final answer
    x = 167,966.10

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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.