Home / 118,533.48-177,809.40-39,648.12

Finding the Fourth Proportional to 118,533.48, 177,809.40 and 39,648.12

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Solution

The fourth proportional to 118,533.48, 177,809.40 and 39,648.12 is: 59,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,533.48 : 177,809.40 = 39,648.12 : x
  2. Step 2: Convert to fraction form
    118,533.48/177,809.40 = 39,648.12/x
  3. Step 3: Cross multiply
    118,533.48x = 177,809.40 × 39,648.12
  4. Step 4: Simplify right side
    118,533.48x = 7,049,808,428.33
  5. Step 5: Solve for x
    x = 7,049,808,428.33/118,533.48
  6. Step 6: Final answer
    x = 59,475.25

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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.