Home / 140,030.79-193,187.48-86,222.49

Finding the Fourth Proportional to 140,030.79, 193,187.48 and 86,222.49

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Solution

The fourth proportional to 140,030.79, 193,187.48 and 86,222.49 is: 118,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030.79 : 193,187.48 = 86,222.49 : x
  2. Step 2: Convert to fraction form
    140,030.79/193,187.48 = 86,222.49/x
  3. Step 3: Cross multiply
    140,030.79x = 193,187.48 × 86,222.49
  4. Step 4: Simplify right side
    140,030.79x = 16,657,105,131.31
  5. Step 5: Solve for x
    x = 16,657,105,131.31/140,030.79
  6. Step 6: Final answer
    x = 118,953.16

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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.