Home / 163,340.74-245,019.48-45,009.46

Finding the Fourth Proportional to 163,340.74, 245,019.48 and 45,009.46

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Solution

The fourth proportional to 163,340.74, 245,019.48 and 45,009.46 is: 67,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,340.74 : 245,019.48 = 45,009.46 : x
  2. Step 2: Convert to fraction form
    163,340.74/245,019.48 = 45,009.46/x
  3. Step 3: Cross multiply
    163,340.74x = 245,019.48 × 45,009.46
  4. Step 4: Simplify right side
    163,340.74x = 11,028,194,484.28
  5. Step 5: Solve for x
    x = 11,028,194,484.28/163,340.74
  6. Step 6: Final answer
    x = 67,516.50

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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.