Home / 212,746.32-319,014.18-124,022.16

Finding the Fourth Proportional to 212,746.32, 319,014.18 and 124,022.16

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Solution

The fourth proportional to 212,746.32, 319,014.18 and 124,022.16 is: 185,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,746.32 : 319,014.18 = 124,022.16 : x
  2. Step 2: Convert to fraction form
    212,746.32/319,014.18 = 124,022.16/x
  3. Step 3: Cross multiply
    212,746.32x = 319,014.18 × 124,022.16
  4. Step 4: Simplify right side
    212,746.32x = 39,564,827,674.23
  5. Step 5: Solve for x
    x = 39,564,827,674.23/212,746.32
  6. Step 6: Final answer
    x = 185,971.85

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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.