Home / 112,506.30-168,532.65-70,256.70

Finding the Fourth Proportional to 112,506.30, 168,532.65 and 70,256.70

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Solution

The fourth proportional to 112,506.30, 168,532.65 and 70,256.70 is: 105,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506.30 : 168,532.65 = 70,256.70 : x
  2. Step 2: Convert to fraction form
    112,506.30/168,532.65 = 70,256.70/x
  3. Step 3: Cross multiply
    112,506.30x = 168,532.65 × 70,256.70
  4. Step 4: Simplify right side
    112,506.30x = 11,840,547,831.26
  5. Step 5: Solve for x
    x = 11,840,547,831.26/112,506.30
  6. Step 6: Final answer
    x = 105,243.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.