Home / 108,931.40-162,959.70-94,302.80

Finding the Fourth Proportional to 108,931.40, 162,959.70 and 94,302.80

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Solution

The fourth proportional to 108,931.40, 162,959.70 and 94,302.80 is: 141,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,931.40 : 162,959.70 = 94,302.80 : x
  2. Step 2: Convert to fraction form
    108,931.40/162,959.70 = 94,302.80/x
  3. Step 3: Cross multiply
    108,931.40x = 162,959.70 × 94,302.80
  4. Step 4: Simplify right side
    108,931.40x = 15,367,555,997.16
  5. Step 5: Solve for x
    x = 15,367,555,997.16/108,931.40
  6. Step 6: Final answer
    x = 141,075.54

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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.