Home / 134,188.75-185,197.95-86,580.59

Finding the Fourth Proportional to 134,188.75, 185,197.95 and 86,580.59

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Solution

The fourth proportional to 134,188.75, 185,197.95 and 86,580.59 is: 119,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,188.75 : 185,197.95 = 86,580.59 : x
  2. Step 2: Convert to fraction form
    134,188.75/185,197.95 = 86,580.59/x
  3. Step 3: Cross multiply
    134,188.75x = 185,197.95 × 86,580.59
  4. Step 4: Simplify right side
    134,188.75x = 16,034,547,777.79
  5. Step 5: Solve for x
    x = 16,034,547,777.79/134,188.75
  6. Step 6: Final answer
    x = 119,492.49

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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.