Home / 163,590.10-245,385.15-134,430.10

Finding the Fourth Proportional to 163,590.10, 245,385.15 and 134,430.10

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Solution

The fourth proportional to 163,590.10, 245,385.15 and 134,430.10 is: 201,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,590.10 : 245,385.15 = 134,430.10 : x
  2. Step 2: Convert to fraction form
    163,590.10/245,385.15 = 134,430.10/x
  3. Step 3: Cross multiply
    163,590.10x = 245,385.15 × 134,430.10
  4. Step 4: Simplify right side
    163,590.10x = 32,987,150,253.02
  5. Step 5: Solve for x
    x = 32,987,150,253.02/163,590.10
  6. Step 6: Final answer
    x = 201,645.15

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1.5x scale

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.