Home / 163,686.40-245,529.60-58,508.80

Finding the Fourth Proportional to 163,686.40, 245,529.60 and 58,508.80

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Solution

The fourth proportional to 163,686.40, 245,529.60 and 58,508.80 is: 87,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686.40 : 245,529.60 = 58,508.80 : x
  2. Step 2: Convert to fraction form
    163,686.40/245,529.60 = 58,508.80/x
  3. Step 3: Cross multiply
    163,686.40x = 245,529.60 × 58,508.80
  4. Step 4: Simplify right side
    163,686.40x = 14,365,642,260.48
  5. Step 5: Solve for x
    x = 14,365,642,260.48/163,686.40
  6. Step 6: Final answer
    x = 87,763.20

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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.