Home / 288,747.04-432,829.74-120,360.58

Finding the Fourth Proportional to 288,747.04, 432,829.74 and 120,360.58

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Solution

The fourth proportional to 288,747.04, 432,829.74 and 120,360.58 is: 180,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,747.04 : 432,829.74 = 120,360.58 : x
  2. Step 2: Convert to fraction form
    288,747.04/432,829.74 = 120,360.58/x
  3. Step 3: Cross multiply
    288,747.04x = 432,829.74 × 120,360.58
  4. Step 4: Simplify right side
    288,747.04x = 52,095,638,547.65
  5. Step 5: Solve for x
    x = 52,095,638,547.65/288,747.04
  6. Step 6: Final answer
    x = 180,419.65

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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.