Home / 219,275.18-302,599.79-118,673.18

Finding the Fourth Proportional to 219,275.18, 302,599.79 and 118,673.18

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Solution

The fourth proportional to 219,275.18, 302,599.79 and 118,673.18 is: 163,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,275.18 : 302,599.79 = 118,673.18 : x
  2. Step 2: Convert to fraction form
    219,275.18/302,599.79 = 118,673.18/x
  3. Step 3: Cross multiply
    219,275.18x = 302,599.79 × 118,673.18
  4. Step 4: Simplify right side
    219,275.18x = 35,910,478,820.04
  5. Step 5: Solve for x
    x = 35,910,478,820.04/219,275.18
  6. Step 6: Final answer
    x = 163,769.01

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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.