Home / 270,400.93-373,111.83-155,657.40

Finding the Fourth Proportional to 270,400.93, 373,111.83 and 155,657.40

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Solution

The fourth proportional to 270,400.93, 373,111.83 and 155,657.40 is: 214,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,400.93 : 373,111.83 = 155,657.40 : x
  2. Step 2: Convert to fraction form
    270,400.93/373,111.83 = 155,657.40/x
  3. Step 3: Cross multiply
    270,400.93x = 373,111.83 × 155,657.40
  4. Step 4: Simplify right side
    270,400.93x = 58,077,617,367.04
  5. Step 5: Solve for x
    x = 58,077,617,367.04/270,400.93
  6. Step 6: Final answer
    x = 214,783.35

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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.