Home / 140,595.04-194,014.96-86,130.56

Finding the Fourth Proportional to 140,595.04, 194,014.96 and 86,130.56

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Solution

The fourth proportional to 140,595.04, 194,014.96 and 86,130.56 is: 118,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,595.04 : 194,014.96 = 86,130.56 : x
  2. Step 2: Convert to fraction form
    140,595.04/194,014.96 = 86,130.56/x
  3. Step 3: Cross multiply
    140,595.04x = 194,014.96 × 86,130.56
  4. Step 4: Simplify right side
    140,595.04x = 16,710,617,153.18
  5. Step 5: Solve for x
    x = 16,710,617,153.18/140,595.04
  6. Step 6: Final answer
    x = 118,856.38

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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.