Home / 130,271.19-179,740.05-75,066.93

Finding the Fourth Proportional to 130,271.19, 179,740.05 and 75,066.93

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Solution

The fourth proportional to 130,271.19, 179,740.05 and 75,066.93 is: 103,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,271.19 : 179,740.05 = 75,066.93 : x
  2. Step 2: Convert to fraction form
    130,271.19/179,740.05 = 75,066.93/x
  3. Step 3: Cross multiply
    130,271.19x = 179,740.05 × 75,066.93
  4. Step 4: Simplify right side
    130,271.19x = 13,492,533,751.55
  5. Step 5: Solve for x
    x = 13,492,533,751.55/130,271.19
  6. Step 6: Final answer
    x = 103,572.66

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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.