Home / 196,063.77-270,526.59-128,180.10

Finding the Fourth Proportional to 196,063.77, 270,526.59 and 128,180.10

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Solution

The fourth proportional to 196,063.77, 270,526.59 and 128,180.10 is: 176,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,063.77 : 270,526.59 = 128,180.10 : x
  2. Step 2: Convert to fraction form
    196,063.77/270,526.59 = 128,180.10/x
  3. Step 3: Cross multiply
    196,063.77x = 270,526.59 × 128,180.10
  4. Step 4: Simplify right side
    196,063.77x = 34,676,125,358.86
  5. Step 5: Solve for x
    x = 34,676,125,358.86/196,063.77
  6. Step 6: Final answer
    x = 176,861.46

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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.