Home / 177,685.07-245,035.76-116,339.72

Finding the Fourth Proportional to 177,685.07, 245,035.76 and 116,339.72

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Solution

The fourth proportional to 177,685.07, 245,035.76 and 116,339.72 is: 160,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,685.07 : 245,035.76 = 116,339.72 : x
  2. Step 2: Convert to fraction form
    177,685.07/245,035.76 = 116,339.72/x
  3. Step 3: Cross multiply
    177,685.07x = 245,035.76 × 116,339.72
  4. Step 4: Simplify right side
    177,685.07x = 28,507,389,901.51
  5. Step 5: Solve for x
    x = 28,507,389,901.51/177,685.07
  6. Step 6: Final answer
    x = 160,437.74

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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.