Home / 175,055.10-262,582.65-172,430.70

Finding the Fourth Proportional to 175,055.10, 262,582.65 and 172,430.70

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Solution

The fourth proportional to 175,055.10, 262,582.65 and 172,430.70 is: 258,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,055.10 : 262,582.65 = 172,430.70 : x
  2. Step 2: Convert to fraction form
    175,055.10/262,582.65 = 172,430.70/x
  3. Step 3: Cross multiply
    175,055.10x = 262,582.65 × 172,430.70
  4. Step 4: Simplify right side
    175,055.10x = 45,277,310,147.36
  5. Step 5: Solve for x
    x = 45,277,310,147.36/175,055.10
  6. Step 6: Final answer
    x = 258,646.05

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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.