Home / 189,386.04-261,352.40-104,503.04

Finding the Fourth Proportional to 189,386.04, 261,352.40 and 104,503.04

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Solution

The fourth proportional to 189,386.04, 261,352.40 and 104,503.04 is: 144,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,386.04 : 261,352.40 = 104,503.04 : x
  2. Step 2: Convert to fraction form
    189,386.04/261,352.40 = 104,503.04/x
  3. Step 3: Cross multiply
    189,386.04x = 261,352.40 × 104,503.04
  4. Step 4: Simplify right side
    189,386.04x = 27,312,120,311.30
  5. Step 5: Solve for x
    x = 27,312,120,311.30/189,386.04
  6. Step 6: Final answer
    x = 144,214.01

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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.