Home / 130,999.50-196,492.35-42,253.01

Finding the Fourth Proportional to 130,999.50, 196,492.35 and 42,253.01

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Solution

The fourth proportional to 130,999.50, 196,492.35 and 42,253.01 is: 63,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,999.50 : 196,492.35 = 42,253.01 : x
  2. Step 2: Convert to fraction form
    130,999.50/196,492.35 = 42,253.01/x
  3. Step 3: Cross multiply
    130,999.50x = 196,492.35 × 42,253.01
  4. Step 4: Simplify right side
    130,999.50x = 8,302,392,247.01
  5. Step 5: Solve for x
    x = 8,302,392,247.01/130,999.50
  6. Step 6: Final answer
    x = 63,377.28

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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.