Home / 140,011.02-193,214.43-76,347.45

Finding the Fourth Proportional to 140,011.02, 193,214.43 and 76,347.45

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Solution

The fourth proportional to 140,011.02, 193,214.43 and 76,347.45 is: 105,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,011.02 : 193,214.43 = 76,347.45 : x
  2. Step 2: Convert to fraction form
    140,011.02/193,214.43 = 76,347.45/x
  3. Step 3: Cross multiply
    140,011.02x = 193,214.43 × 76,347.45
  4. Step 4: Simplify right side
    140,011.02x = 14,751,429,033.70
  5. Step 5: Solve for x
    x = 14,751,429,033.70/140,011.02
  6. Step 6: Final answer
    x = 105,359.06

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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.