Home / 219,144.18-302,419.02-118,542.18

Finding the Fourth Proportional to 219,144.18, 302,419.02 and 118,542.18

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Solution

The fourth proportional to 219,144.18, 302,419.02 and 118,542.18 is: 163,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,144.18 : 302,419.02 = 118,542.18 : x
  2. Step 2: Convert to fraction form
    219,144.18/302,419.02 = 118,542.18/x
  3. Step 3: Cross multiply
    219,144.18x = 302,419.02 × 118,542.18
  4. Step 4: Simplify right side
    219,144.18x = 35,849,409,904.26
  5. Step 5: Solve for x
    x = 35,849,409,904.26/219,144.18
  6. Step 6: Final answer
    x = 163,588.24

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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.