Home / 163,465.60-245,320.08-121,443.52

Finding the Fourth Proportional to 163,465.60, 245,320.08 and 121,443.52

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Solution

The fourth proportional to 163,465.60, 245,320.08 and 121,443.52 is: 182,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,465.60 : 245,320.08 = 121,443.52 : x
  2. Step 2: Convert to fraction form
    163,465.60/245,320.08 = 121,443.52/x
  3. Step 3: Cross multiply
    163,465.60x = 245,320.08 × 121,443.52
  4. Step 4: Simplify right side
    163,465.60x = 29,792,534,041.88
  5. Step 5: Solve for x
    x = 29,792,534,041.88/163,465.60
  6. Step 6: Final answer
    x = 182,255.68

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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.