Home / 201,864.40-302,432.10-117,555.55

Finding the Fourth Proportional to 201,864.40, 302,432.10 and 117,555.55

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Solution

The fourth proportional to 201,864.40, 302,432.10 and 117,555.55 is: 176,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,864.40 : 302,432.10 = 117,555.55 : x
  2. Step 2: Convert to fraction form
    201,864.40/302,432.10 = 117,555.55/x
  3. Step 3: Cross multiply
    201,864.40x = 302,432.10 × 117,555.55
  4. Step 4: Simplify right side
    201,864.40x = 35,552,571,853.16
  5. Step 5: Solve for x
    x = 35,552,571,853.16/201,864.40
  6. Step 6: Final answer
    x = 176,121.06

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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.