Home / 152,556.90-210,607.74-118,489.11

Finding the Fourth Proportional to 152,556.90, 210,607.74 and 118,489.11

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Solution

The fourth proportional to 152,556.90, 210,607.74 and 118,489.11 is: 163,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,556.90 : 210,607.74 = 118,489.11 : x
  2. Step 2: Convert to fraction form
    152,556.90/210,607.74 = 118,489.11/x
  3. Step 3: Cross multiply
    152,556.90x = 210,607.74 × 118,489.11
  4. Step 4: Simplify right side
    152,556.90x = 24,954,723,671.71
  5. Step 5: Solve for x
    x = 24,954,723,671.71/152,556.90
  6. Step 6: Final answer
    x = 163,576.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.