Home / 105,133.02-157,423.05-80,526.30

Finding the Fourth Proportional to 105,133.02, 157,423.05 and 80,526.30

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Solution

The fourth proportional to 105,133.02, 157,423.05 and 80,526.30 is: 120,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,133.02 : 157,423.05 = 80,526.30 : x
  2. Step 2: Convert to fraction form
    105,133.02/157,423.05 = 80,526.30/x
  3. Step 3: Cross multiply
    105,133.02x = 157,423.05 × 80,526.30
  4. Step 4: Simplify right side
    105,133.02x = 12,676,695,751.22
  5. Step 5: Solve for x
    x = 12,676,695,751.22/105,133.02
  6. Step 6: Final answer
    x = 120,577.68

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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.