Home / 130,475.04-180,054.96-70,859.04

Finding the Fourth Proportional to 130,475.04, 180,054.96 and 70,859.04

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Solution

The fourth proportional to 130,475.04, 180,054.96 and 70,859.04 is: 97,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475.04 : 180,054.96 = 70,859.04 : x
  2. Step 2: Convert to fraction form
    130,475.04/180,054.96 = 70,859.04/x
  3. Step 3: Cross multiply
    130,475.04x = 180,054.96 × 70,859.04
  4. Step 4: Simplify right side
    130,475.04x = 12,758,521,612.84
  5. Step 5: Solve for x
    x = 12,758,521,612.84/130,475.04
  6. Step 6: Final answer
    x = 97,785.15

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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.