Home / 133,031.90-199,547.85-127,783.10

Finding the Fourth Proportional to 133,031.90, 199,547.85 and 127,783.10

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Solution

The fourth proportional to 133,031.90, 199,547.85 and 127,783.10 is: 191,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.90 : 199,547.85 = 127,783.10 : x
  2. Step 2: Convert to fraction form
    133,031.90/199,547.85 = 127,783.10/x
  3. Step 3: Cross multiply
    133,031.90x = 199,547.85 × 127,783.10
  4. Step 4: Simplify right side
    133,031.90x = 25,498,842,871.34
  5. Step 5: Solve for x
    x = 25,498,842,871.34/133,031.90
  6. Step 6: Final answer
    x = 191,674.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.