Home / 112,238.61-154,892.55-61,254.62

Finding the Fourth Proportional to 112,238.61, 154,892.55 and 61,254.62

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Solution

The fourth proportional to 112,238.61, 154,892.55 and 61,254.62 is: 84,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.61 : 154,892.55 = 61,254.62 : x
  2. Step 2: Convert to fraction form
    112,238.61/154,892.55 = 61,254.62/x
  3. Step 3: Cross multiply
    112,238.61x = 154,892.55 × 61,254.62
  4. Step 4: Simplify right side
    112,238.61x = 9,487,884,678.31
  5. Step 5: Solve for x
    x = 9,487,884,678.31/112,238.61
  6. Step 6: Final answer
    x = 84,533.16

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1.5x scale

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.