Home / 113,584.13-156,600.54-93,090.77

Finding the Fourth Proportional to 113,584.13, 156,600.54 and 93,090.77

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Solution

The fourth proportional to 113,584.13, 156,600.54 and 93,090.77 is: 128,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,584.13 : 156,600.54 = 93,090.77 : x
  2. Step 2: Convert to fraction form
    113,584.13/156,600.54 = 93,090.77/x
  3. Step 3: Cross multiply
    113,584.13x = 156,600.54 × 93,090.77
  4. Step 4: Simplify right side
    113,584.13x = 14,578,064,851.02
  5. Step 5: Solve for x
    x = 14,578,064,851.02/113,584.13
  6. Step 6: Final answer
    x = 128,345.97

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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.