Home / 208,014.15-287,077.07-117,373.93

Finding the Fourth Proportional to 208,014.15, 287,077.07 and 117,373.93

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Solution

The fourth proportional to 208,014.15, 287,077.07 and 117,373.93 is: 161,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,014.15 : 287,077.07 = 117,373.93 : x
  2. Step 2: Convert to fraction form
    208,014.15/287,077.07 = 117,373.93/x
  3. Step 3: Cross multiply
    208,014.15x = 287,077.07 × 117,373.93
  4. Step 4: Simplify right side
    208,014.15x = 33,695,364,571.07
  5. Step 5: Solve for x
    x = 33,695,364,571.07/208,014.15
  6. Step 6: Final answer
    x = 161,985.93

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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.