Home / 109,815.60-164,723.40-65,492.40

Finding the Fourth Proportional to 109,815.60, 164,723.40 and 65,492.40

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Solution

The fourth proportional to 109,815.60, 164,723.40 and 65,492.40 is: 98,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815.60 : 164,723.40 = 65,492.40 : x
  2. Step 2: Convert to fraction form
    109,815.60/164,723.40 = 65,492.40/x
  3. Step 3: Cross multiply
    109,815.60x = 164,723.40 × 65,492.40
  4. Step 4: Simplify right side
    109,815.60x = 10,788,130,802.16
  5. Step 5: Solve for x
    x = 10,788,130,802.16/109,815.60
  6. Step 6: Final answer
    x = 98,238.60

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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.