Home / 217,867.60-326,801.40-118,075.60

Finding the Fourth Proportional to 217,867.60, 326,801.40 and 118,075.60

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Solution

The fourth proportional to 217,867.60, 326,801.40 and 118,075.60 is: 177,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,867.60 : 326,801.40 = 118,075.60 : x
  2. Step 2: Convert to fraction form
    217,867.60/326,801.40 = 118,075.60/x
  3. Step 3: Cross multiply
    217,867.60x = 326,801.40 × 118,075.60
  4. Step 4: Simplify right side
    217,867.60x = 38,587,271,385.84
  5. Step 5: Solve for x
    x = 38,587,271,385.84/217,867.60
  6. Step 6: Final answer
    x = 177,113.40

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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.