Home / 213,253.81-294,284.54-117,758.45

Finding the Fourth Proportional to 213,253.81, 294,284.54 and 117,758.45

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Solution

The fourth proportional to 213,253.81, 294,284.54 and 117,758.45 is: 162,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,253.81 : 294,284.54 = 117,758.45 : x
  2. Step 2: Convert to fraction form
    213,253.81/294,284.54 = 117,758.45/x
  3. Step 3: Cross multiply
    213,253.81x = 294,284.54 × 117,758.45
  4. Step 4: Simplify right side
    213,253.81x = 34,654,492,319.47
  5. Step 5: Solve for x
    x = 34,654,492,319.47/213,253.81
  6. Step 6: Final answer
    x = 162,503.51

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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.