Home / 185,035.48-255,349.74-100,152.55

Finding the Fourth Proportional to 185,035.48, 255,349.74 and 100,152.55

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Solution

The fourth proportional to 185,035.48, 255,349.74 and 100,152.55 is: 138,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,035.48 : 255,349.74 = 100,152.55 : x
  2. Step 2: Convert to fraction form
    185,035.48/255,349.74 = 100,152.55/x
  3. Step 3: Cross multiply
    185,035.48x = 255,349.74 × 100,152.55
  4. Step 4: Simplify right side
    185,035.48x = 25,573,927,602.84
  5. Step 5: Solve for x
    x = 25,573,927,602.84/185,035.48
  6. Step 6: Final answer
    x = 138,210.94

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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.