Home / 154,271.39-212,914.23-86,292.14

Finding the Fourth Proportional to 154,271.39, 212,914.23 and 86,292.14

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Solution

The fourth proportional to 154,271.39, 212,914.23 and 86,292.14 is: 119,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,271.39 : 212,914.23 = 86,292.14 : x
  2. Step 2: Convert to fraction form
    154,271.39/212,914.23 = 86,292.14/x
  3. Step 3: Cross multiply
    154,271.39x = 212,914.23 × 86,292.14
  4. Step 4: Simplify right side
    154,271.39x = 18,372,824,543.15
  5. Step 5: Solve for x
    x = 18,372,824,543.15/154,271.39
  6. Step 6: Final answer
    x = 119,094.18

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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.