Home / 208,700.02-288,011.16-118,051.70

Finding the Fourth Proportional to 208,700.02, 288,011.16 and 118,051.70

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Solution

The fourth proportional to 208,700.02, 288,011.16 and 118,051.70 is: 162,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,700.02 : 288,011.16 = 118,051.70 : x
  2. Step 2: Convert to fraction form
    208,700.02/288,011.16 = 118,051.70/x
  3. Step 3: Cross multiply
    208,700.02x = 288,011.16 × 118,051.70
  4. Step 4: Simplify right side
    208,700.02x = 34,000,207,056.97
  5. Step 5: Solve for x
    x = 34,000,207,056.97/208,700.02
  6. Step 6: Final answer
    x = 162,914.25

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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.