Home / 122,809.32-183,256.20-109,570.68

Finding the Fourth Proportional to 122,809.32, 183,256.20 and 109,570.68

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Solution

The fourth proportional to 122,809.32, 183,256.20 and 109,570.68 is: 163,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,809.32 : 183,256.20 = 109,570.68 : x
  2. Step 2: Convert to fraction form
    122,809.32/183,256.20 = 109,570.68/x
  3. Step 3: Cross multiply
    122,809.32x = 183,256.20 × 109,570.68
  4. Step 4: Simplify right side
    122,809.32x = 20,079,506,448.22
  5. Step 5: Solve for x
    x = 20,079,506,448.22/122,809.32
  6. Step 6: Final answer
    x = 163,501.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.