Home / 207,762.92-286,612.60-136,111.40

Finding the Fourth Proportional to 207,762.92, 286,612.60 and 136,111.40

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Solution

The fourth proportional to 207,762.92, 286,612.60 and 136,111.40 is: 187,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,762.92 : 286,612.60 = 136,111.40 : x
  2. Step 2: Convert to fraction form
    207,762.92/286,612.60 = 136,111.40/x
  3. Step 3: Cross multiply
    207,762.92x = 286,612.60 × 136,111.40
  4. Step 4: Simplify right side
    207,762.92x = 39,011,242,243.64
  5. Step 5: Solve for x
    x = 39,011,242,243.64/207,762.92
  6. Step 6: Final answer
    x = 187,768.07

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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.