Home / 116,188.02-174,333.06-90,118.98

Finding the Fourth Proportional to 116,188.02, 174,333.06 and 90,118.98

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Solution

The fourth proportional to 116,188.02, 174,333.06 and 90,118.98 is: 135,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,188.02 : 174,333.06 = 90,118.98 : x
  2. Step 2: Convert to fraction form
    116,188.02/174,333.06 = 90,118.98/x
  3. Step 3: Cross multiply
    116,188.02x = 174,333.06 × 90,118.98
  4. Step 4: Simplify right side
    116,188.02x = 15,710,717,547.48
  5. Step 5: Solve for x
    x = 15,710,717,547.48/116,188.02
  6. Step 6: Final answer
    x = 135,218.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.