Home / 178,345.51-245,901.59-154,102.66

Finding the Fourth Proportional to 178,345.51, 245,901.59 and 154,102.66

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Solution

The fourth proportional to 178,345.51, 245,901.59 and 154,102.66 is: 212,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.51 : 245,901.59 = 154,102.66 : x
  2. Step 2: Convert to fraction form
    178,345.51/245,901.59 = 154,102.66/x
  3. Step 3: Cross multiply
    178,345.51x = 245,901.59 × 154,102.66
  4. Step 4: Simplify right side
    178,345.51x = 37,894,089,117.23
  5. Step 5: Solve for x
    x = 37,894,089,117.23/178,345.51
  6. Step 6: Final answer
    x = 212,475.71

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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.