Home / 212,562.02-293,313.88-130,877.30

Finding the Fourth Proportional to 212,562.02, 293,313.88 and 130,877.30

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Solution

The fourth proportional to 212,562.02, 293,313.88 and 130,877.30 is: 180,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,562.02 : 293,313.88 = 130,877.30 : x
  2. Step 2: Convert to fraction form
    212,562.02/293,313.88 = 130,877.30/x
  3. Step 3: Cross multiply
    212,562.02x = 293,313.88 × 130,877.30
  4. Step 4: Simplify right side
    212,562.02x = 38,388,128,666.92
  5. Step 5: Solve for x
    x = 38,388,128,666.92/212,562.02
  6. Step 6: Final answer
    x = 180,597.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.