Home / 130,620.49-180,087.16-84,598.26

Finding the Fourth Proportional to 130,620.49, 180,087.16 and 84,598.26

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Solution

The fourth proportional to 130,620.49, 180,087.16 and 84,598.26 is: 116,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,620.49 : 180,087.16 = 84,598.26 : x
  2. Step 2: Convert to fraction form
    130,620.49/180,087.16 = 84,598.26/x
  3. Step 3: Cross multiply
    130,620.49x = 180,087.16 × 84,598.26
  4. Step 4: Simplify right side
    130,620.49x = 15,235,060,384.34
  5. Step 5: Solve for x
    x = 15,235,060,384.34/130,620.49
  6. Step 6: Final answer
    x = 116,636.07

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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.