Home / 109,111.60-163,667.40-93,365.20

Finding the Fourth Proportional to 109,111.60, 163,667.40 and 93,365.20

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Solution

The fourth proportional to 109,111.60, 163,667.40 and 93,365.20 is: 140,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.60 : 163,667.40 = 93,365.20 : x
  2. Step 2: Convert to fraction form
    109,111.60/163,667.40 = 93,365.20/x
  3. Step 3: Cross multiply
    109,111.60x = 163,667.40 × 93,365.20
  4. Step 4: Simplify right side
    109,111.60x = 15,280,839,534.48
  5. Step 5: Solve for x
    x = 15,280,839,534.48/109,111.60
  6. Step 6: Final answer
    x = 140,047.80

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1.5x scale

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.