Home / 112,904.16-155,679.27-92,421.07

Finding the Fourth Proportional to 112,904.16, 155,679.27 and 92,421.07

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Solution

The fourth proportional to 112,904.16, 155,679.27 and 92,421.07 is: 127,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.16 : 155,679.27 = 92,421.07 : x
  2. Step 2: Convert to fraction form
    112,904.16/155,679.27 = 92,421.07/x
  3. Step 3: Cross multiply
    112,904.16x = 155,679.27 × 92,421.07
  4. Step 4: Simplify right side
    112,904.16x = 14,388,044,710.22
  5. Step 5: Solve for x
    x = 14,388,044,710.22/112,904.16
  6. Step 6: Final answer
    x = 127,435.91

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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.