Home / 277,928.10-383,530.77-157,066.74

Finding the Fourth Proportional to 277,928.10, 383,530.77 and 157,066.74

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Solution

The fourth proportional to 277,928.10, 383,530.77 and 157,066.74 is: 216,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,928.10 : 383,530.77 = 157,066.74 : x
  2. Step 2: Convert to fraction form
    277,928.10/383,530.77 = 157,066.74/x
  3. Step 3: Cross multiply
    277,928.10x = 383,530.77 × 157,066.74
  4. Step 4: Simplify right side
    277,928.10x = 60,239,927,733.59
  5. Step 5: Solve for x
    x = 60,239,927,733.59/277,928.10
  6. Step 6: Final answer
    x = 216,746.45

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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.