Home / 133,030.76-183,582.45-99,068.40

Finding the Fourth Proportional to 133,030.76, 183,582.45 and 99,068.40

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Solution

The fourth proportional to 133,030.76, 183,582.45 and 99,068.40 is: 136,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.76 : 183,582.45 = 99,068.40 : x
  2. Step 2: Convert to fraction form
    133,030.76/183,582.45 = 99,068.40/x
  3. Step 3: Cross multiply
    133,030.76x = 183,582.45 × 99,068.40
  4. Step 4: Simplify right side
    133,030.76x = 18,187,219,589.58
  5. Step 5: Solve for x
    x = 18,187,219,589.58/133,030.76
  6. Step 6: Final answer
    x = 136,714.40

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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.