Home / 193,203.12-266,312.25-152,300.55

Finding the Fourth Proportional to 193,203.12, 266,312.25 and 152,300.55

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Solution

The fourth proportional to 193,203.12, 266,312.25 and 152,300.55 is: 209,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,203.12 : 266,312.25 = 152,300.55 : x
  2. Step 2: Convert to fraction form
    193,203.12/266,312.25 = 152,300.55/x
  3. Step 3: Cross multiply
    193,203.12x = 266,312.25 × 152,300.55
  4. Step 4: Simplify right side
    193,203.12x = 40,559,502,146.74
  5. Step 5: Solve for x
    x = 40,559,502,146.74/193,203.12
  6. Step 6: Final answer
    x = 209,931.92

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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.