Home / 180,870.72-249,549.60-104,383.68

Finding the Fourth Proportional to 180,870.72, 249,549.60 and 104,383.68

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Solution

The fourth proportional to 180,870.72, 249,549.60 and 104,383.68 is: 144,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,870.72 : 249,549.60 = 104,383.68 : x
  2. Step 2: Convert to fraction form
    180,870.72/249,549.60 = 104,383.68/x
  3. Step 3: Cross multiply
    180,870.72x = 249,549.60 × 104,383.68
  4. Step 4: Simplify right side
    180,870.72x = 26,048,905,590.53
  5. Step 5: Solve for x
    x = 26,048,905,590.53/180,870.72
  6. Step 6: Final answer
    x = 144,019.47

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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.