Home / 163,669.40-245,504.10-124,303.40

Finding the Fourth Proportional to 163,669.40, 245,504.10 and 124,303.40

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Solution

The fourth proportional to 163,669.40, 245,504.10 and 124,303.40 is: 186,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,669.40 : 245,504.10 = 124,303.40 : x
  2. Step 2: Convert to fraction form
    163,669.40/245,504.10 = 124,303.40/x
  3. Step 3: Cross multiply
    163,669.40x = 245,504.10 × 124,303.40
  4. Step 4: Simplify right side
    163,669.40x = 30,516,994,343.94
  5. Step 5: Solve for x
    x = 30,516,994,343.94/163,669.40
  6. Step 6: Final answer
    x = 186,455.10

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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.