Home / 140,457.36-193,783.67-79,985.13

Finding the Fourth Proportional to 140,457.36, 193,783.67 and 79,985.13

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Solution

The fourth proportional to 140,457.36, 193,783.67 and 79,985.13 is: 110,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,457.36 : 193,783.67 = 79,985.13 : x
  2. Step 2: Convert to fraction form
    140,457.36/193,783.67 = 79,985.13/x
  3. Step 3: Cross multiply
    140,457.36x = 193,783.67 × 79,985.13
  4. Step 4: Simplify right side
    140,457.36x = 15,499,812,036.83
  5. Step 5: Solve for x
    x = 15,499,812,036.83/140,457.36
  6. Step 6: Final answer
    x = 110,352.44

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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.