Home / 109,496.40-164,206.20-56,888.40

Finding the Fourth Proportional to 109,496.40, 164,206.20 and 56,888.40

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Solution

The fourth proportional to 109,496.40, 164,206.20 and 56,888.40 is: 85,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,496.40 : 164,206.20 = 56,888.40 : x
  2. Step 2: Convert to fraction form
    109,496.40/164,206.20 = 56,888.40/x
  3. Step 3: Cross multiply
    109,496.40x = 164,206.20 × 56,888.40
  4. Step 4: Simplify right side
    109,496.40x = 9,341,427,988.08
  5. Step 5: Solve for x
    x = 9,341,427,988.08/109,496.40
  6. Step 6: Final answer
    x = 85,312.65

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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.