Home / 153,582.34-211,936.90-85,606.74

Finding the Fourth Proportional to 153,582.34, 211,936.90 and 85,606.74

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Solution

The fourth proportional to 153,582.34, 211,936.90 and 85,606.74 is: 118,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,582.34 : 211,936.90 = 85,606.74 : x
  2. Step 2: Convert to fraction form
    153,582.34/211,936.90 = 85,606.74/x
  3. Step 3: Cross multiply
    153,582.34x = 211,936.90 × 85,606.74
  4. Step 4: Simplify right side
    153,582.34x = 18,143,227,094.71
  5. Step 5: Solve for x
    x = 18,143,227,094.71/153,582.34
  6. Step 6: Final answer
    x = 118,133.55

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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.