Home / 209,637.35-289,303.05-118,996.11

Finding the Fourth Proportional to 209,637.35, 289,303.05 and 118,996.11

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Solution

The fourth proportional to 209,637.35, 289,303.05 and 118,996.11 is: 164,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,637.35 : 289,303.05 = 118,996.11 : x
  2. Step 2: Convert to fraction form
    209,637.35/289,303.05 = 118,996.11/x
  3. Step 3: Cross multiply
    209,637.35x = 289,303.05 × 118,996.11
  4. Step 4: Simplify right side
    209,637.35x = 34,425,937,561.14
  5. Step 5: Solve for x
    x = 34,425,937,561.14/209,637.35
  6. Step 6: Final answer
    x = 164,216.62

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1.5x scale

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.